Business Email Advanced Javascript

// Business Email Advanced Javascript - JavaScript
const regex = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
function validate(input) {
  return regex.test(input?.trim());
}

// Usage
console.log(validate('test-input'));

# Business Email Advanced Javascript - Python
import re
pattern = re.compile(r'^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$')
def validate(input_str):
    return bool(pattern.match(input_str.strip() if input_str else ''))

# Usage
print(validate('test-input'))

// Business Email Advanced Javascript - Java
import java.util.regex.Pattern;
public class Validator {
    private static final Pattern PATTERN = Pattern.compile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$");
    public static boolean validate(String input) {
        return input != null && PATTERN.matcher(input.trim()).matches();
    }
}